Hurricane Sandy may have closed the trading floor of the New York Stock Exchange Monday, and possibly longer, but trading will continue on the Big Board electronically, and that means there's still stocks worth watching: Sirius XM Radio, for example.

Take-Two Interactive, publisher of popular video games such as Grand Theft Auto, announced disappointing earnings Thursday. But that didn't deter Carl Icahn from buying an 11% stake in the company the same day.